body {
  background: red;
}
.wz {
  transform: translate(20px, 20px);
}

#b {
  width: 100px;
  height: 100px;
  background: url(./imgs/chunk-bundle.png) no-repeat;
  background-size: 100% 100%;
  transform: translate(100px, 100px);
}
.a {
  color: aqua;
}

.footer {
  background: #000;
}
